TY  - BOOK
AU  - Sumner,P.H.
TI  - Aircraft, progress and development
PY  - 1935///
CY  - London
PB  - C. Lockwood
KW  - Aeronautics
KW  - Airplanes
N1  - "Principal long distance flights from 1918 to present day": p. 276-292
ER  -